For example, you can reference MySettings.FirstName as opposed to MySettingsList[0]. TryGetProperty(ReadOnlySpan<Char>, JsonElement) Looks for a property named propertyName in the current object, returning a value that indicates whether or not such a property exists. For the question in the comments, your property would be like this: EDIT 4: Based on the question's edit 2, following is how I would use this: You mentioned that "the property still won't appear in the object's instance," and I am not sure what you mean. public static List<int> GetSpeeds (this List<ObjectMotion> motions) { List<int> speeds = new List<int> (); foreach (ObjectMotion motion in motions) { speeds.Add (motion.Speed); } return speeds; } This is "hard coded" and only serves a single property in a single object type. That would probably do more to speed up your code than anything else (though still not much). It may be better that you think about your object design rather than work out this query. Just a suggestion. 5 Answers Sorted by: 8 In your code, the variable result is just of type object because the compiler doesn't know what the result of FirstOrDefault is going to be. Here we go down a layer to get a property value from a member of the list, When getting a property in one of the Team List objects, I have to cast the value to List before accessing the individual item in the list. Languages which give you access to the AST to modify during compilation? @PramodChoudhari Remember if you got your answer then mark it as answer. Is there a deep meaning to the fact that the particle, in a literary context, can be used in place of . How can I learn wizard spells as a warlock without multiclassing? Thanks for contributing an answer to Stack Overflow! Can you work in physics research with a data science degree? This seems like an XY problem to me. In this article, I'll show examples of using reflection to look for and use properties. Site design / logo 2023 Stack Exchange Inc; user contributions licensed under CC BY-SA. What does "Splitting the throttles" mean? If Winforms or WPF then both of those have powerful data binding mechanisms that would be better suited for this sort of object data updates. I apologize in advance if this question is really simple/obvious. How can find the type of generic property via reflection in c#. Find centralized, trusted content and collaborate around the technologies you use most. When are complicated trig functions used? Can someone please explain why? What is the verb expressing the action of moving some farm animals in a field to let them eat grass or plants? Can you work in physics research with a data science degree? Or ask another question if you're stuck. A method that iterates over the passed in objects properties. Using Lin Reg parameters without Original Dataset. Is religious confession legally privileged? C# get all properties of a certain type of an object in C# PowerShell Select-Object [-InputObject <psobject>] [-Unique] [-SkipIndex <int []>] [<CommonParameters>] Description The Select-Object cmdlet selects specified properties of an object or set of objects. Using Reflection to discover an objects property list, get a list of single property values in c# - reflection, Reflections -Set objects property when the property is in a List<>, Getting a Property list with similar name for looping c#, Using reflection return a list of objects from Property.GetValue, Dynamic Property to list in c# from reflection. Why add an increment/decrement operator when compound assignnments exist? Browse other questions tagged, Where developers & technologists share private knowledge with coworkers, Reach developers & technologists worldwide, The future of collective knowledge sharing. Site design / logo 2023 Stack Exchange Inc; user contributions licensed under CC BY-SA. To learn more, see our tips on writing great answers. Since most (if not all) things that we do through scripts are in a way derived from that class, we will have this function available. Do you need an "Any" type when implementing a statically typed programming language? Site design / logo 2023 Stack Exchange Inc; user contributions licensed under CC BY-SA. Can I ask a specific person to leave my defence meeting? Recursively Get Properties & Child Properties Of A Class. How do they work? (6 answers) Closed 8 years ago. c# - Using reflection to get values from properties from a list of a Not the answer you're looking for? Has a bill ever failed a house of Congress unanimously? If so, you could use generics. I tried List and ArrayList and quite a few other variations but am getting an error" Unable to cast object of type 'System.Collections.Generic.List1[quickTest.Classes.Team]' to type 'System.Collections.Generic.List1[System.Object]". Asking for help, clarification, or responding to other answers. How to passive amplify signal from outside to inside? I used the exact code you posted but the property still won't appear in the object's instance, so I tried adding code in the get and set (I wonder why you left them empty or does it means something?) This works just fine for the first object in the list. If I have a list of objects that have a property, how can I extract a list of of all of those properties? Can someone please explain why? By clicking Post Your Answer, you agree to our terms of service and acknowledge that you have read and understand our privacy policy and code of conduct. Asking for help, clarification, or responding to other answers. (Ep. Not the answer you're looking for? c# - Get properties of List item - Stack Overflow The Last Edit: After a lot of researching and the help of Mark Avenius I found the perfect answer. Connect and share knowledge within a single location that is structured and easy to search. Identifying large-ish wires in junction box, How to disable (or remap) the Office Hot-key, Book or a story about a group of people who had become immortal, and traced it back to a wagon train they had all been on, Cultural identity in an Muti-cultural empire. Book set in a near-future climate dystopia in which adults have been banished to deserts. IEnumerable vs List - What to Use? Not the answer you're looking for? When the property exists, the method assigns its value to the value argument. Identifying large-ish wires in junction box, Typo in cover letter of the journal name where my manuscript is currently under review. How to implement a List property in a C# class? By clicking Post Your Answer, you agree to our terms of service and acknowledge that you have read and understand our privacy policy and code of conduct. rev2023.7.7.43526. Browse other questions tagged, Where developers & technologists share private knowledge with coworkers, Reach developers & technologists worldwide, The future of collective knowledge sharing. Making statements based on opinion; back them up with references or personal experience. Do I have the right to limit a background check? Book set in a near-future climate dystopia in which adults have been banished to deserts. in that CSharpSamples.zip unzip and build the project, located in folder LinqSamples. Find centralized, trusted content and collaborate around the technologies you use most. rev2023.7.7.43526. My manager warned me about absences on short notice. How should I select appropriate capacitors to ensure compliance with IEC/EN 61000-4-2:2009 and IEC/EN 61000-4-5:2014 standards for my device? (Ep. why isn't the aleph fixed point the largest cardinal number? Does being overturned on appeal have consequences for the careers of trial judges? A+B and AB are nilpotent matrices, are A and B nilpotent? You do it using one of First, FirstOrDefault, Single or SingleOrDefault dependng on your requirements, I suspect the most appropriate is SingeOrDefault based on the fact an ID is usually unique, so you only ever expect one single item with a specified ID. Has a bill ever failed a house of Congress unanimously? Site design / logo 2023 Stack Exchange Inc; user contributions licensed under CC BY-SA. By clicking Accept all cookies, you agree Stack Exchange can store cookies on your device and disclose information in accordance with our Cookie Policy. If you need to have them specifically ordered, you could use a List>. 587), The Overflow #185: The hardest part of software is requirements, Starting the Prompt Design Site: A New Home in our Stack Exchange Neighborhood, Temporary policy: Generative AI (e.g., ChatGPT) is banned, Testing native, sponsored banner ads on Stack Overflow (starting July 6), Get value from a generic object property by reflection, Reflection a properties of type of generic list, Using reflection to get values from properties from a list of a class, List with in a List PropertyInfo get properties iteration, C# - Use Reflection to Extract List of Values from a List, c# access elements of list passed as object type, Get properties values from an object generic list c#, c# - how to access a list inside a generic object. How can I access a List